Sierra 18-5852 Shrouded Power Trim Relay for Mercury Outboard

The Sierra 18-5852 is a shrouded power trim relay designed as a direct replacement for Mercury and Mariner four-stroke outboard engines. This aftermarket relay is engineered to meet or exceed OEM specifications and provides reliable performance in harsh marine environments.

Key Features:

• Shrouded design protects internal components from moisture and corrosion
• Direct replacement for Mercury OEM part numbers 821509, 821509T01, and 853292
• Fits Mercury/Mariner four-stroke 45 HP (serial range 0G231123 to 0G472132)
• Fits Mercury/Mariner four-stroke 50 HP (serial range 0G231123 to 0T178499)
• Also compatible with Chrysler/Force/US Marine and Mallory 9-15212
• Manufactured to meet or exceed original equipment standards

Sierra has been a trusted name in the marine aftermarket industry for over 50 years, offering quality engine parts backed by their industry-leading customer satisfaction warranty. This relay is sold individually and provides a cost-effective alternative to OEM replacement parts without sacrificing quality or reliability.